SOLUTION: Hi, find the solutions to the equation: 8x^2 - 4x -24 = 0 a)x = -2 or -3/2 b)x = -2 or 3/2 c)x = -3/2 or 2 d)x = 3/2 or 2

Algebra ->  Equations -> SOLUTION: Hi, find the solutions to the equation: 8x^2 - 4x -24 = 0 a)x = -2 or -3/2 b)x = -2 or 3/2 c)x = -3/2 or 2 d)x = 3/2 or 2      Log On


   

Question 912130: Hi,
find the solutions to the equation:
8x^2 - 4x -24 = 0
a)x = -2 or -3/2
b)x = -2 or 3/2
c)x = -3/2 or 2
d)x = 3/2 or 2
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

8x%5E2+-+4x+-24+=+0
4%282x%5E2+-+x+-6%29+=+0
4%282x%5E2+%2B3x-4x-6%29+=+0
4%28%282x%5E2+%2B3x%29-%284x%2B6%29%29+=+0
4%28x%282x+%2B3%29-2%282x%2B3%29%29+=+0
4%28x-2%29%282x%2B3%29+=+0
solutions:
if x-2=0 => x=2
if 2x%2B3=0 => x=-3%2F2
+graph%28+600%2C+600%2C+-10%2C+10%2C+-30%2C+10%2C+8x%5E2+-+4x+-24%29+